Home / 4,752,002.80-7,128,004.20-3,632,258.80

Finding the Fourth Proportional to 4,752,002.80, 7,128,004.20 and 3,632,258.80

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Solution

The fourth proportional to 4,752,002.80, 7,128,004.20 and 3,632,258.80 is: 5,448,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,002.80 : 7,128,004.20 = 3,632,258.80 : x
  2. Step 2: Convert to fraction form
    4,752,002.80/7,128,004.20 = 3,632,258.80/x
  3. Step 3: Cross multiply
    4,752,002.80x = 7,128,004.20 × 3,632,258.80
  4. Step 4: Simplify right side
    4,752,002.80x = 25,890,755,981,886.96
  5. Step 5: Solve for x
    x = 25,890,755,981,886.96/4,752,002.80
  6. Step 6: Final answer
    x = 5,448,388.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.